Coastline Blog
Deep Dive
Science-backed insights on longevity, sleep, nutrition, and aging from Dr. Greg Potter and world-class researchers.
Ice baths: the cardiac risk nobody's talking about
Cold plunges are everywhere. Social media is full of people gasping in ice baths, promising sharper focus, fat loss, and a dopamine surge that will...
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Taurine and aging: what the landmark 2023 Science paper found
In June 2023, a paper published in Science — one of the most prestigious journals in the world — made a striking claim: restoring taurine...
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Sauna and longevity: what the research actually says
Sauna bathing has been practiced for thousands of years, but only recently has modern research begun to quantify what many cultures have long believed: regular...
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Blue light isn't ruining your sleep (but these 3 things are)
You've heard it a thousand times: blue light from your phone is destroying your sleep. Put down the screens. Buy the glasses. Install the filters....
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Zone 2 cardio is overhyped: what busy dads should actually do
If you've spent any time in the health and fitness space lately, you've heard the gospel of Zone 2 cardio. Long, slow, steady-state training at...
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What is chrononutrition? Why when you eat, exercise, and supplement matters
Your body doesn't just care about what you eat. It cares deeply about when. A growing field called chrononutrition is reshaping how scientists think about...
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Your sleep tracker is lying to you: what healthy sleep actually looks like
You check your sleep score every morning. Some days it's a 92 and you feel terrible. Other days it's a 67 and you feel fine....
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Why most antioxidant supplements don't work (and what does)
You've probably heard it a thousand times: antioxidants are good for you. Take more of them. Pop a pill. Fight those free radicals. But what...
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Meet Dr. Greg Potter: the scientist behind Coastline
Most supplement companies lead with marketing. We lead with science. And behind that science is one person more than any other: Dr. Greg Potter. Greg...
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